Elizabeth C. Riordan, M.D.
NPI 1528078995ActiveIndividual· Surgery· Meriden, CT
Surgery (M.D.) in Meriden, Connecticut, trained at University of Connecticut School of Medicine (class of 1991). Mostly services rather than prescriptions: Medicare paid $32,830 for 163 patients in 2024, with only 14 Part D claims. Solventum Corporation was the largest of 2 companies reporting payments in 2025, $119.41 in all, mostly food and beverage.
Overview
| NPI | 1528078995 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | May 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 045438 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 280 across 18 procedure codes |
| Paid by Medicare | $32,830 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 16 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $622.45 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | General Surgery |
Medical groups
- Prospect CT Medical Foundation IncManchester, CT · 282 clinicians
- Uconn Health Community Network Medical Group, Inc.Waterbury, CT · 78 clinicians
Hospital affiliation
- Waterbury HospitalWaterbury, CT
Industry payments (Open Payments)
- 2025$119.41 · 3 payments from 2 companies
- 2024$210.56 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $60.49 | 1 |
| Merck Sharp & Dohme LLC | $58.92 | 2 |
What the 2025 payments were for
- Food and Beverage$119.41 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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